A DuPont chemist at work in the laboratory. The petrographic microscope at his right is used to identify organic compounds. Insets show (1) the crystal of an organic compound (2) the interference figure or optic picture created by passing polarized...

Physicist A.C. Webber studies a new model of a three dimensional transparent color system which makes it possible to identify colors by number. The model is made out of DuPont's Lucite acrylic resin. All colors that the eye can distinguish can be...

The thousands of labels used to identify DuPont products show the diversity of the goods the company makes. For the first century Du Pont was primarily a maker of explosives. The past 50 years have seen the company broaden its base to become the...

"The date of construction is unknown. It was in existence before Colonel H. A. du Pont became associated with the management of the company about 1876. It was wrecked in the 1890 explosion at which time it was in use as the specific gravity test...